1142032213 has 4 divisors (see below), whose sum is σ = 1305179680. Its totient is φ = 978884748.

The previous prime is 1142032189. The next prime is 1142032223. The reversal of 1142032213 is 3122302411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142032213 - 2²⁹ = 605161301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142032223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81573723 + ... + 81573736.

It is an arithmetic number, because the mean of its divisors is an integer number (326294920).

Almost surely, 2^1142032213 is an apocalyptic number.

It is an amenable number.

1142032213 is a deficient number, since it is larger than the sum of its proper divisors (163147467).

1142032213 is an equidigital number, since it uses as much as digits as its factorization.

1142032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163147466.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1142032213 is about 33793.9671095301. The cubic root of 1142032213 is about 1045.2643007216.

Adding to 1142032213 its reverse (3122302411), we get a palindrome (4264334624).

The spelling of 1142032213 in words is "one billion, one hundred forty-two million, thirty-two thousand, two hundred thirteen".